8 times the quantity d minus 3
2 answers:
Answer:
Step-by-step explanation:
We have been given a sentence: 8 times the quantity d minus 3. We are supposed to write an algebraic expression for our given sentence.
We have been given that the quantity is d, so 8 times the quantity would be .
We are also asked to subtract 3 from the product of given quantity and 8, so our expression would be: .
Therefore, our required expression would be .
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Answer:
Step-by-step explanation:
Use the cosine ratio, . Insert the values:
Isolate x. Multiply both sides by x:
Divide both sides by cos 25:
Insert into a calculator:
Round to the nearest hundredth:
Done.
Answer:
3.16 units
Step-by-step explanation:
It has been given that the triangles JKL and the triangle RST are congruent.
That implies that, the length of the side JK, KL, and JL is equivalent to the length of the sides RS, ST, and RT respectively.
Now, to find the length of JK we need to find the length of the side RS. The coordinates of the points R and S are and
.
The length of the side RS is equal to the distance between point R and S.
RS
Now that we have the length of the side RS, and the triangles JKL and RST are congruent therefore, the length of the side JK is 3.16 units.